系统设计采用面向对象数据模型，数据库结构采用面向对象关系数据库系统。
The Object-Orient Data Model and the Object-Relative Database System(ORDBS) are adapted in the system structure for design and development.
与关系数据库相比，面向对象模型支持更丰富的关系
Richer relationships allowed by object orientation that aren't supported by relational databases
正如我所说的，在当今的面向对象世界里，与关系数据库相比，db4o这样的对象数据库可以为面向对象开发人员提供更多的功能。
As I explained, an object database like db4o simply has more to offer to object-oriented developers, in today's object-oriented world, than its relational Cousins.
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